226 to 250 of 326 Permanent Senior Security Engineer Jobs

Elastic is seeking a Senior Software Developer to join the Elasticsearch Security team. You will contribute to the architecture and design of Elasticsearch's core features, including authentication, authorization, and tenant isolation. Work with engineering and product leaders to deliver high-performance security at scale. You will … tackle architectural design, build foundational security models, optimize performance in distributed systems, and collaborate across teams to embed security into new #J-18808-Ljbffr ...

Walt Disney Company Limited in Manchester is seeking a Senior Software Engineer for the Cloud Account Management team to design, build and support automation and tooling that enable secure, self-service AWS usage. You will mentor developers and partner with security and operations to implement ...

Hiya seeks a DevSecOps Engineer to lead security maturation across engineering. You will design platform-based security tools and enable secure software delivery with velocity, partnering with Core Tech, Product, and leadership. You’ll balance high-level strategy with hands-on execution, promoting a platform mindset ...

London Stock Exchange Group is seeking a Senior Associate for Offensive Security Operations to manage vulnerability discovery, testing and remediation across the organization. You will coordinate with third-party vendors, regulators and BISOs to ensure testing programs run efficiently and effectively across TLTP, red teaming, bug bounty … external attack surface management. You will stay ahead of cyber security thought leadership, provide root-cause analysis, and help scale risk management. #J-18808-Ljbffr ...

Overview In this role you will strengthen Flexport's cloud and container security posture across AWS and Kubernetes. You'll shape secure-by-default patterns, enforce guardrails, and partner with platform teams to scale secure practices. The work spans policy-as-code, IaC automation, and cross-border data considerations … wills ise a hands-on builder mindset to reduce risk at the source, not just fix individual findings. This is an impactful, architecture-focused security role in a rapidly growing company. Arbeidsvoorwaarden/Benefits daily catered lunches (vegetarian options) commute expenses covered 25 vacation days fully paid health insurance ...

Depository Trust & Clearing Corporation (DTCC) is hiring for a Cloud Security Operations Specialist within the IT Cybersecurity & Platform Strategy group. You will support cloud security across AWS, Azure, and GCP, monitor controls, assist with remediation, and help maintain secure, compliant cloud environments. You will implement security baselines ...

Snyk seeks a Senior Solutions Engineer to lead the technical narrative for Evo and AI-era security within large UK-based enterprises. You will align technical strategy with executive goals, co-manage high-value opportunities, and demonstrate solid ROI through pilots and POCs. You’ll bridge development … security leadership, quantify business impact, and collaborate with product and engineering teams to secure long-term partnerships. Hybrid London-based role with global impact. #J-18808-Ljbffr ...

Wolf Security in Cambridge, UK is seeking a Senior Software Engineer for Browser (C++). You will design and develop core features for secure browsing, contribute C++ and TypeScript for a Chromium-based secure browser, and extend Firefox-based browsers while enhancing automation with Python. You will … join a growing R&D team, work on micro-virtualization security, and participate in feature delivery across web extensions, browser cores, and test components with hybrid working arrangements. #J-18808-Ljbffr ...

Leonardo UK in Southampton is seeking a Systems Engineer to design and develop security-related functionality for our airborne communications system. You will work across project teams, security functions, international partners and customers to solve real engineering problems and deliver secure, robust solutions. The role focuses ...

OneAdvanced is seeking a Senior Network Engineer to join a customer‐centric squad delivering project resources alongside a multi‐disciplined team. You will design and configure network and security technologies for on‐premise, Azure cloud, and hybrid environments, communicating with diverse stakeholders to drive successful outcomes. ...

Overview Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With more than 1,700+ team members, 1,500+ AI & data experts, and 100+ prime contracts, we deliver … impact. We encourage employees to push boundaries and help solve critical, world-changing federal challenges. Position Summary Credence has an immediate need for a Senior Program Engineer-Systems Security supporting the Armament Directorate Division, (AFLCMC/EB) at Eglin AFB, Florida. You'll be the guardian ...

cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from … response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively ...

LexisNexis Risk Solutions seeks a software engineer to design, build, deploy and support production-ready AWS-based services with secure, observable operations. You will work in a cross-functional Agile team, mentor colleagues, and help shape engineering standards while delivering reliable releases. Candidates should have strong Python/JavaScript ...

OneAdvanced in the United Kingdom is seeking a Senior Network Engineer to join a customer-centric squad. You will design and implement network and security solutions across on-premise, cloud and hybrid environments, aligned with customer architectural teams. Ideal candidates will operate at CCNP/CCIE level ...

National Physical Laboratory in Birmingham is seeking a Senior Software Engineer to lead the design and architecture of systems that support security testing. This hands-on role requires expertise that directly impacts national security by ensuring the delivery of secure software. Ideal candidates will possess strong ...

Barclays is seeking a Senior iOS Engineer for Identity Services to build cutting-edge native iOS authentication features for the mobile banking app. You will work with biometric authentication, secure enclaves and Swift frameworks while collaborating with backend, security and design teams to deliver secure experiences … role requires deep iOS expertise, OAuth2/OIDC and Secure Storage knowledge, plus AI-assisted development tools, CI/CD, and strong focus on security #J-18808-Ljbffr ...

Accenture in Birmingham is seeking a Network Engineer to support design, deployment and management of secure network infrastructures. You will manage firewall security, troubleshoot connectivity, and implement robust network solutions across LAN/WAN environments. The role may involve client-site work and centre-based delivery. Key skills ...

service provided by Idira professional services. Build and maintain trusted relationships with operational stakeholders and executive sponsors Guide customers on Privileged Access Management and security best practices Contribute technical expertise to escalation scenarios where relevant Be the customer technical representative when working with other Idira technical teams such … Idira PAM experience ideally in a large, complex or modernized environment. Experience with Windows/Unix, Active Directory, IDPs, networking, databases, and IT security Hands on working knowledge with AI tools Ability to resolve complex technical problems Experience with endpoint protection agents is beneficial Willing to travel to customer ...

Engine by Starling is seeking a Senior Infrastructure Engineer to design, build, and operate scalable cloud foundations across regions and providers. You will own infrastructure from conception through production, emphasising reliability, security, and cost-effectiveness. The role requires strong GCP/Terraform skills, experience with CI/… pipelines, and a mindset for automation and security by design in a fast-paced fintech environment. #J-18808-Ljbffr ...

recruiting a Senior Solutions Engineer for the UK Defence & Security sector, based in Marlow with hybrid working. You will combine technical credibility with industry insight to translate government and defence needs into SAS data, AI, and analytics solutions, shaping the technical strategy in close partnership with ...

Probrand in Birmingham is seeking a Senior/Lead Managed Endpoint Services Engineer to lead architecture, automation and security across our managed services. The role focuses on standardising onboarding, monitoring, patching and backup processes at scale, working with NinjaOne, SonicWall and Acronis platforms. Hybrid working arrangement ...

leading advertising agency based in London is seeking a Network and Security Engineer. Candidates should have over 8 years of experience in network and security operations, specifically with Check Point firewalls and Cisco switches. The role is hybrid, requiring in-office work for 40-60% of the time. ...

Viasat is seeking a Senior Network Engineer to ensure reliable, secure, and scalable enterprise network operations across on‐premises and cloud environments. You will contribute to network architecture, deployment, and operational readiness, partnering with infrastructure, security, and application teams. The role requires deep networking expertise, cloud networking ...

Proofpoint is hiring a Senior Software Engineer for the XFI team within the Cloud Integration Group in Belfast. You will help scale the Cross Functional Integrations services that connect to Microsoft and Google email platforms, delivering secure, high-performance integrations for both inbound and outbound traffic. You will … design reliable distributed systems, improve scalability and reliability, and ship code daily using CI/CD pipelines while focusing on security and data protection. #J-18808-Ljbffr ...

Funplazambsc in Bristol is seeking a Senior Systems Engineer to join our architecture team. You will work on secure IT services and systems for MOD-related projects, applying MBSE and requirements management, including DOORS, to refine customer needs and deliver robust solutions. This client-facing role emphasises collaboration ...